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Turbinicarpus roseiflorus forma variegata

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Turbinicarpus roseiflorus forma variegata

Turbinicarpus roseiflorus is one of the prettiest Turbinicarpus with lovely pink flowers.
 

Description: Turbinicarpus roseiflorus is a small solitary or copiously branching cactus with variable spination and also variable amounts of wool in the areoles.
Stem: Dark green, subspherical up to 3 cm tall, 4 cm in diameter. Crown white-woolly;
Tubercles: Rhombic, prominent tubercles, forming anti-clockwise diagonal spirals.
Areoles: Round, with white wool, later becoming naked.
Roots: Fibrous, copiously branching.
Radial spines: 6 to 13, of which the 6-8 lower ones much shorter, white, radiating sideways porrect, dagger-like, 3-5 mm long, while the 3-4 upper ones porrect and curving towards the apex, 10-15 mm long, black.
Central spines: 1 (to 2), porrect, slightly curved towards the apex, the lower part, mostly twice as long as the longest radial spine, black 1,5 mm wide flattened, black.
Flowers: Funnel-shaped, 2.5 cm long, 20 mm wide, petals pink , with dark mid-stripe on the reverse. Filaments greenish, anthers yellow. Style white with 4 short white club-shaped lobes. The white flowered form is also very attractive. Turbinicarpus roseiflorus "albiflorus"
Fruit: Oblong, to 5 mm long, at maturity brownish and dehiscing vertically.
 


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Family: Cactaceae (Cactus Family)

Scientific Name: Turbinicarpus roseiflorus (Backeberg) Frank
Published in: Succulenta 72(1):42, 1993

Turbinicarpus roseiflorus Backeberg,
Descr. Cact. Nov. 111:15 (1963). (nomen invalidium ICBN Art 37.1)

Origin Nursery produced variegated cultivar.

T. roseiflorus is belived to come from Mexico (exact place of discovery unknown). It is closely related to T. lophophoroides, but its spines are more numerous, Flower concolorous pink, opening less widely. However the exact identification of this plant is dubious. The plants sold under this name are probably of hybrid origin. Possibly between T. lophophoroides and one of the dark spined species previously included in Gymnocactus i.e. gielsdorfianus or viereckii.

Etymology: Roseiflorus derives from the Latin words "rosea", meaning rose pink flowers.

Conservation status: Listed in CITES Appendix I


 

 

 


Cultivation: Its a fairly easy and robust species to cultivate, but very slow growing.  It needs a very well-drained soil, and requires strong sun to part sun to keep the plant compact and low and to develop a good spinal growth. Waterings should be rather infrequent to keep the plant compact, and avoid its becoming excessively elongated and unnatural in appearance. Furthermore it has a tap root, and watering it properly is often difficult, because it tends to crack open or rot if over-watered. Careful watering away from the body of the plant will allow the areoles to keep their wool. Keep dry in winter, or when night temperatures remain below 10 C.  It is hardy to -4C for a short period.  Assure a good ventilation.

Reproduction: From seed, since the plant rarely produces plantlets, or grafted.

 

Photo gallery: Alphabetical listing of Cactus and Succulent pictures published in this site.

 

Home | E-mail | Plant files | Mail Sale Catalogue | Links | Information | Search

All the information and photos in cactus art files are now available also in the new the Enciclopedia of Cacti. We hope you find this new site informative and useful.